<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>

<script type="text/javascript">
	
function is32Bit(c) {
	return c.codePointAt(0) > 0xFFFF;
}


console.error(is32Bit("𠮷"));
console.error(is32Bit("我"));

</script>

</body>
</html>